The phrase refers to the process of acquiring a modified version of a Game Boy Advance (GBA) Pokmon game. This modified version incorporates randomized elements, altering aspects such as the Pokmon encountered in the wild, trainer teams, and available items. As an example, a player using such a modified game could find legendary Pokmon in the early areas or face gym leaders with completely different teams than in the original game.
Randomization offers increased replayability and challenge. By altering the standard gameplay experience, it forces players to adapt their strategies and explore the game in new ways. This modification provides a novel experience for veteran players of the classic games, revitalizing interest and extending the lifespan of these titles. Its popularity stems from the desire for a unique and unpredictable adventure within a familiar framework.